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September 2006 Airline Traffic Data: Nine-Month System Traffic Up 0.3 Percent From 2005

September 2006 Airline Traffic Data: Nine-Month System Traffic Up 0.3 Percent From 2005

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BTS 59-06
Dave Smallen
202-366-5568

Thursday, December 14, 2006 - U.S. airlines carried 561.9 million scheduled domestic and international passengers on their systems during the first nine months of 2006, 0.3 percent more than they did during the same period in 2005, the U.S. Department of Transportation's Bureau of Transportation Statistics (BTS) today reported in a release of preliminary data (Table 1).

BTS, a part of DOT's Research and Innovative Technology Administration, reported that the U.S. airlines carried 0.4 percent fewer domestic passengers and 5.6 percent more international passengers during the nine-month period in 2006 than during the same period in 2005 (Tables 7, 13).

In September, the most recent month, U.S. airlines carried 56.3 million scheduled domestic and international passengers, 0.8 percent fewer than in September 2005 and the third consecutive month with a year-to-year decline (Table 2). The number of domestic passengers declined 1.3 percent in September from a year earlier while international passengers increased 2.8 percent (Tables 7, 13).

U.S. carriers operated 7.9 million domestic and international flights during the first nine months of 2006, 3.7 percent fewer than were operated during the same period in 2005 (Table 1). Domestic fights were down 4.2 percent from the previous year while international flights were up 2.8 percent (Tables 7, 13).

In September, U.S. airlines operated 865,500 scheduled domestic and international flights, down 1.6 percent from the number of flights operated in September 2005 (Table 1). The number of domestic flights declined 1.9 percent in September from a year earlier while international flights increased 2.1 percent (Tables 7, 13).

System Comparisons (Table 1-6)

In other total system comparisons from the first nine months of 2005 to the first nine months of 2006 and from September 2005 to September 2006 (Table 1):

Revenue passenger miles (RPMs), a measure of the number of passengers and the distance flown, were up 2.0 percent in the first nine months. In September, RPMs were up 0.8 percent.

Available seat-miles (ASMs), a measure of airline capacity using the number of seats and the distance flown, were down 0.2 percent in the first nine months. In September, ASMs were up 0.9 percent.

Passenger load factor, passenger miles as a proportion of available seat-miles, was up 1.7 load factor points to 79.8 percent in the first nine months. In September, load factor was down 0.2 load factor points to 74.9 percent.

Flight stage length, the average non-stop distance flown per departure, was up 3.0 percent in the first nine months. In September, flight stage length was up 2.0 percent.

Passenger trip length, the average distance flown per passenger, was up 1.8 percent in the first nine months. In September, passenger trip length was up 1.6 percent.

Among U.S. airlines, American Airlines carried 74.5 million passengers on its system from January to September, the most of any airline (Table 3). In September, Southwest Airlines carried 7.5 million passengers on its system, the most of any airline and the second consecutive month in which Southwest has topped the list (Table 4).

Among airports, Atlanta Hartsfield-Jackson International was the busiest U.S. airport from January to September, with 30.5 million domestic and international passenger boardings (Table 5). In September, Hartsfield-Jackson was the busiest U.S. airport with 3.0 million domestic and international passenger boardings on U. S. carriers (Table 6).

Domestic Air Travel (Tables 7-12)

U.S. airlines carried 495.9 million scheduled domestic passengers during the first nine months of 2006, down 0.4 percent from the 498.0 million carried during the same period in 2005 (Table 8). The passengers were carried on 7.3 million flights, down 4.2 percent from the 7.6 million flights operated in the first nine months of 2005 (Table 7).

In the most recent month, September, the airlines carried 50.0 million scheduled domestic passengers, down 1.3 percent from the 50.6 million carried during September 2005, the fifth consecutive month with a year-to-year decline (Table 8). The passengers were carried on 799,800 flights, down 1.9 percent from the 815,000 flights operated in September 2005 (Table 7).

In other domestic comparisons from the first nine months of 2005 to the first nine months of 2006 and from September 2005 to September 2006 (Table 7):

Domestic revenue passenger miles (RPMs), a measure of the number of passengers and the distance flown, were up 0.6 percent in the first nine months. In September, domestic RPMs were down 1.0 percent.

Domestic available seat-miles (ASMs), a measure of airline capacity using the number of seats and the distance flown, were down 2.2 percent in the first nine months. In September, domestic ASMs were down 0.5 percent.

Domestic passenger load factor, passenger miles as a proportion of available seat-miles, was up 2.2 load factor points to 79.8 percent in the first nine months. In September, domestic load factor was down 0.4 load factor points to 73.8 percent.

Domestic flight stage length, the average non-stop distance flown per departure, was up 2.1 percent in the first nine months. In September, domestic flight stage length was up 1.1 percent.

Domestic passenger trip length, the average distance flown per passenger, was up 1.0 percent in the first nine months. In September, domestic passenger trip length was up 0.3 percent.

Southwest Airlines carried 72.2 million domestic passengers from January to September, the most of any airline (Table 9). In September, Southwest carried 7.5 million domestic passengers, the most of any airline (Table 10).

Hartsfield-Jackson was the busiest domestic airport from January to September, with 27.8 million domestic passenger boardings (Table 11). In September, Hartsfield-Jackson was the busiest domestic airport with 2.8 million domestic passenger boardings (Table 12).

International Air Travel (Tables 13-18)

U.S. airlines carried 66.0 million scheduled international passengers during the first nine months of 2006, up 5.6 percent from the 62.5 million carried during the same period in 2005 (Table 14). The passengers were carried on 648,400 flights, up 2.8 percent from the 631,000 flights operated in the first nine months of 2005 (Table 13).

In the most recent month, September, the airlines carried 6.4 million international passengers, up 2.8 percent from the 6.2 million carried during September 2005. The passengers were carried on 65,700 flights, up 2.1 percent from the 64,300 flights operated in September 2005 (Table 13).

In other international comparisons from the first nine months of 2005 to the first nine months of 2006 and from September 2005 to September 2006 (Table 13):

International revenue passenger miles (RPMs), a measure of the number of passengers and the distance flown, were up 5.8 percent in the first nine months. In September, international RPMs were up 5.1 percent.

International available seat-miles (ASMs), a measure of airline capacity using the number of seats and the distance flown, were up 5.0 percent in the first nine months. In September, international ASMs were up 4.7 percent.

International passenger load factor, passenger miles as a proportion of available seat-miles, was up 0.6 load factor points to 80.1 in the first nine months. In September, international load factor was up 0.2 load factor points to 77.7.

International flight stage length, the average non-stop distance flown per departure, was up 2.6 percent in the first nine months. In September, international flight stage length was up 3.5 percent.

International passenger trip length, the average distance flown per passenger was up 0.2 percent in the first nine months. In September, international passenger trip length was up 2.2 percent.

American Airlines carried 16.4 million international passengers from January to September, the most of any U.S. airline (Table 15). In September, Americancarried 1.6 million international passengers, the most of any U.S. airline (Table 16).

Miami International was the busiest U.S. airport for international travel on U.S. carriers from January to September, with 3.4 million international passenger boardings (Table 17). In September, Miami International was the busiest international airport with 312,600 international passenger boardings (Table 18).

Reporting Notes

Data are compiled from monthly reports filed with BTS by commercial air carriers detailing operations, passenger traffic and freight traffic. This release includes data received by BTS from 97 carriers as of Dec 11 for U.S. carrier scheduled civilian operations. U.S. carriers' foreign point-to-point flights are included in system and international totals. To create a customized table for passengers, flights, RPMs, ASMs and other data, including non-scheduled service, go to http://www.bts.gov/programs/airline_information/air_carrier_traffic_statistics/.

Additional traffic numbers are available on the BTS website at TranStats, the Intermodal Transportation Database, at http://transtats.bts.gov. Click on "Aviation." For domestic and international passengers, RPMs and ASMs by carrier and carrier region through June, click on "Air Carrier Summary Data (Form 41 and 298C Summary Data)," and then click on "Schedule T-1."

For domestic numbers through June and international numbers through March by origin as well as by carrier and region, after clicking on "Aviation," click on "Air Carrier Statistics (Form 41 Traffic)." Click on "T-100 Market" for system passenger numbers, "T-100 Domestic Market" for domestic or "T-100 International Market" for international. For flights, stage length and trip length, use the appropriate T-100 Segment database.

TranStats system and international totals do not include U.S. carriers' foreign point-to-point flights. For September, U.S. carriers reported 284,983 foreign point-to-point passengers. For January-to-September, U.S. carriers reported 2,789,196 foreign point-to-point passengers.

Data are subject to revision. BTS has scheduled Jan. 11, 2007 for the release of October traffic data.

Table 1. Scheduled System (Domestic and International) Airline Travel on U.S. Carriers

Excel | CSV

  Monthly Year-to-Date
Sept 2005 Sept 2006 Change % 2005 2006 Change %
Passengers (in millions) 56.8 56.3 -0.8 560.5 561.9 0.3
Flights (in thousands) 879.3 865.5 -1.6 8,233.8 7,931.3 -3.7
Revenue Passenger Miles(in billions) 60.8 61.2 0.8 592.6 604.5 2.0
Available Seat-Miles(in billions) 81.0 81.7 0.9 758.9 757.1 -0.2
Load Factor* 75.1 74.9 -0.2 78.1 79.8 1.7
Flight Stage Length** 676.1 689.7 2.0 678.2 698.5 3.0
Passenger Trip Length*** 1,069.9 1,087.1 1.6 1,057.3 1,075.9 1.8

Source: Bureau of Transportation Statistics, T-100 Market and Segment

*Change in load factor points

**The average non-stop distance flown per departure in miles

*** The average distance flown per passenger in miles

Note: Percentage changes based on numbers prior to rounding.

Table 2. Total System (Domestic and International) Scheduled Enplanements on U.S. Carriers

Passenger numbers in millions (000,000)

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Month 2004 2005 2004-2005 Pct. Change 2006 2005-2006 Pct. Change
January 49.4 54.4 10.2 55.6 2.1
February 50.5 52.9 4.6 53.4 0.9
March 60.3 66.1 9.7 65.8 -0.4
April 59.2 61.6 4.0 63.2 2.6
May 59.1 64.2 8.6 64.5 0.4
June 63.6 67.1 5.5 67.2 0.1
July 67.1 70.6 5.2 69.5 -1.5
August 64.7 66.8 3.4 66.5 -0.5
September 53.3 56.8 6.5 56.3 -0.8
October 60.1 59.9 -0.3    
November 57.4 58.7 2.2    
December 59.0 59.5 0.9    
Yr. Total 703.7 738.6 5.0    
9 Mo. Total 527.2 560.5 6.3 561.9 0.3

Source: Bureau of Transportation Statistics, T-100 Market

Note: Percentage changes based on numbers prior to rounding.

Table 3. Top 10 U.S. Airlines, ranked by Jan.-September 2006 System* Scheduled Enplanements

Passenger numbers in millions (000,000)

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Jan-Sep 2006 Rank Carrier Jan-Sep 2006 Enplaned Passengers Jan-Sep 2005 Rank Jan-Sep 2005 Enplaned Passengers
1 American 74.5 1 74.3
2 Southwest 72.2 3 66.2
3 Delta 55.7 2 67.0
4 United 52.6 4 50.2
5 Northwest 41.2 5 43.6
6 Continental 35.2 7 32.0
7 US Airways 27.5 6 32.9
8 America West 16.1 8 16.7
9 AirTran 15.0 11 12.2
10 SkyWest 14.6 12 12.2

Source: Bureau of Transportation Statistics, T-100 Market

* System equals domestic plus international

Note: Percentage changes based on numbers prior to rounding

Table 4. Top 10 U.S. Airlines, ranked by September 2006 System* Scheduled Enplanements

Passenger numbers in millions (000,000)

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September 2006 Rank Carrier September 2006 Enplaned Passengers September 2005 Rank September 2005 Enplaned Passengers
1 Southwest 7.5 2 7.0
2 American 7.3 1 7.5
3 Delta 5.4 3 6.3
4 United 5.4 4 5.3
5 Northwest 4.3 5 4.4
6 Continental 3.4 6 3.1
7 US Airways 2.6 7 3.0
8 SkyWest 1.6 10 1.4
9 America West 1.6 8 1.7
10 American Eagle 1.5 9 1.5

Source: Bureau of Transportation Statistics, T-100 Market

* System equals domestic plus international

Note: Percentage changes based on numbers prior to rounding.

Table 5. Top 10 U.S. Airports, ranked by Jan.- September 2006 System* Scheduled Enplanements

Passenger numbers in millions (000,000)

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Jan-Sep 2006 Rank Airport Jan-Sep 2006 Enplaned Passengers Jan-Sep 2005 Rank Jan-Sep 2005 Enplaned Passengers
1 Atlanta 30.5 1 31.7
2 Chicago O'Hare 26.1 2 25.8
3 Dallas-Fort Worth 21.3 3 20.7
4 Los Angeles Intl 17.4 4 17.4
5 Denver 17.2 5 15.5
6 Las Vegas 15.7 6 15.2
7 Phoenix 15.4 7 15.1
8 Houston Bush 14.9 8 13.7
9 Detroit Metro 12.9 10 13.1
10 Minneapolis-St Paul 12.9 9 13.6

Source: Bureau of Transportation Statistics, T-100 Market

* System equals domestic plus international

Note: Percentage changes based on numbers prior to rounding

Table 6. Top 10 U.S. Airports ranked by September 2006 System* Scheduled Enplanements

Passenger numbers in millions (000,000)

Excel | CSV

September 2006 Rank Airport September 2006 Enplaned Passengers September 2005 Rank September 2005 Enplaned Passengers
1 Atlanta 3.0 1 3.1
2 Chicago O'Hare 2.7 2 2.8
3 Dallas-Fort Worth 2.1 3 2.2
4 Denver 1.8 6 1.6
5 Los Angeles Intl 1.8 4 1.8
6 Las Vegas 1.7 5 1.6
7 Phoenix 1.5 7 1.5
8 Houston Bush 1.4 10 1.3
9 Detroit Metro 1.4 9 1.4
10 Minneapolis-St Paul 1.3 8 1.4

Source: Bureau of Transportation Statistics, T-100 Market

* System equals domestic plus international

Note: Percentage changes based on numbers prior to rounding.

Table 7. Domestic Scheduled Airline Travel on U.S. Carriers

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  Monthly Year-to-Date
Sept 2005 Sept 2006 Change % 2005 2006 Change %
Passengers (in millions) 50.6 50.0 -1.3 498.0 495.9 -0.4
Flights (in thousands) 815.0 799.8 -1.9 7,602.7 7,282.9 -4.2
Revenue Passenger Miles(in billions) 43.5 43.1 -1.0 432.1 434.6 0.6
Available Seat-Miles(in billions) 58.7 58.4 -0.5 556.9 544.9 -2.2
Load Factor* 74.2 73.8 -0.4 77.6 79.8 2.2
Flight Stage Length** 597.1 603.7 1.1 602.7 615.6 2.1
Passenger Trip Length*** 860.1 863.0 0.3 867.6 876.4 1.0

Source: Bureau of Transportation Statistics, T-100 Domestic Market and Segment

*Change in load factor points

**The average non-stop distance flown per departure in miles

*** The average distance flown per passenger in miles

Note: Percentage changes based on numbers prior to rounding.

Table 8. Domestic Scheduled Enplanements on U.S. Carriers

Passenger numbers in millions (000,000)

Excel | CSV

Month 2004 2005 2004-2005 Pct. Change 2006 2005-2006 Pct. Change
January 43.8 48.0 9.5 48.9 1.8
February 45.3 47.1 3.9 47.4 0.6
March 54.2 58.8 8.7 58.3 -0.9
April 53.3 54.9 3.1 55.8 1.7
May 53.0 57.3 8.1 57.2 -0.3
June 57.0 59.7 4.9 59.3 -0.8
July 59.6 62.4 4.7 60.8 -2.5
August 57.4 59.1 3.0 58.3 -1.4
September 47.7 50.6 6.1 50.0 -1.3
October 54.2 53.7 -0.8    
November 51.8 52.8 1.9    
December 52.6 52.8 0.3    
Yr.  Total 629.8 657.3 4.4    
9 Mo. Tot 471.2 498.0 5.7 495.9 -0.4

Source: Bureau of Transportation Statistics, T-100 Domestic Market

Note: Percentage changes based on numbers prior to rounding.

Table 9. Top 10 U.S. Airlines, ranked by Jan.- September 2006 Domestic Scheduled Enplanements

Passenger numbers in millions (000,000)

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Jan-Sep 2006 Rank Carrier Jan-Sep 2006 Enplanements Jan-Sep 2005 Rank Jan-Sep 2005 Enplanements
1 Southwest 72.2 1 66.2
2 American 58.2 3 58.3
3 Delta 48.0 2 60.5
4 United 43.4 4 41.5
5 Northwest 33.8 5 36.0
6 Continental 26.7 7 24.5
7 US Airways 23.8 6 29.0
8 America West 15.2 8 15.8
9 AirTran 15.0 10 12.2
10 SkyWest 14.0 11 11.8

Source: Bureau of Transportation Statistics, T-100 Domestic Market

Note: Percentage changes based on numbers prior to rounding

Table 10. Top 10 U.S. Airlines, ranked by September 2006 Domestic Scheduled Enplanements

Passenger numbers in millions (000,000)

Excel | CSV

September 2006 Rank Carrier September 2006 Enplanements September 2005 Rank September 2005 Enplanements
1 Southwest 7.5 1 7.0
2 American 5.7 2 5.9
3 Delta 4.6 3 5.6
4 United 4.5 4 4.3
5 Northwest 3.5 5 3.6
6 Continental 2.6 7 2.4
7 US Airways 2.3 6 2.6
8 SkyWest 1.5 10 1.3
9 America West 1.5 8 1.6
10 American Eagle 1.4 9 1.4

Source: Bureau of Transportation Statistics, T-100 Domestic Market

Note: Percentage changes based on numbers prior to rounding

Table 11. Top 10 U.S. Airports, ranked by Jan.- September 2006 Domestic Scheduled Enplanements

Passenger numbers in millions (000,000)

Excel | CSV

Jan-Sep 2006 Rank Airport Jan-Sep 2006 Enplanements Jan-Sep 2005 Rank Jan-Sep 2005 Enplanements
1 Atlanta 27.8 1 29.5
2 Chicago O'Hare 23.6 2 23.5
3 Dallas-Fort Worth 19.6 3 19.1
4 Denver 16.7 5 15.1
5 Los Angeles Intl 16.1 4 16.1
6 Las Vegas 15.6 6 15.1
7 Phoenix 14.9 7 14.6
8 Houston Bush 12.7 11 11.6
9 Orlando 12.0 10 11.7
10 Minneapolis-St Paul 12.0 8 12.7

Source: Bureau of Transportation Statistics, T-100 Domestic Market

Note: Percentage changes based on numbers prior to rounding

Table 12. Top 10 U.S. Airports, ranked by September 2006 Domestic Scheduled Enplanements

Passenger numbers in millions (000,000)

Excel | CSV

September 2006 Rank Airport September 2006 Enplanements September 2005 Rank September 2005 Enplanements
1 Atlanta 2.8 1 2.9
2 Chicago O'Hare 2.5 2 2.6
3 Dallas-Fort Worth 2.0 3 2.0
4 Denver 1.8 6 1.6
5 Las Vegas 1.6 5 1.6
6 Los Angeles Intl 1.6 4 1.7
7 Phoenix 1.5 7 1.5
8 Houston Bush 1.3 11 1.1
9 Detroit Metro 1.2 9 1.2
10 Minneapolis-St Paul 1.2 8 1.3

Source: Bureau of Transportation Statistics, T-100 Domestic Market

Note: Percentage changes based on numbers prior to rounding

Table 13. International Scheduled Airline Travel on U.S. Carriers

Excel | CSV

  Monthly Year-to-Date
Sept 2005 Sept 2006 Change % 2005 2006 Change %
Passengers (in millions) 6.2 6.4 2.8 62.5 66.0 5.6
Flights (in thousands) 64.3 65.7 2.1 631.0 648.4 2.8
Revenue Passenger-Miles(in billions) 17.3 18.1 5.1 160.6 169.9 5.8
Available Seat-Miles(in billions) 22.3 23.3 4.7 202.0 212.2 5.0
Load Factor* 77.5 77.7 0.2 79.5 80.1 0.6
Flight Stage Length** 1,676.6 1,735.7 3.5 1,588.0 1,629.5 2.6
Passenger Trip Length*** 2,777.6 2,839.5 2.2 2,568.6 2,573.3 0.2

Source: Bureau of Transportation Statistics, T-100 International Market and Segment

*Change in load factor points

**The average non-stop distance flown per departure in miles

*** The average distance flown per passenger in miles

Note: Percentage changes based on numbers prior to rounding.

Table 14. Total Industry International Scheduled Enplanements on U.S. Carriers

Passenger numbers in millions (000,000)

Excel | CSV

Month 2004 2005 2004-2005 Pct. Change 2006 2005-2006 Pct. Change
January 5.6 6.5 16.0 6.7 3.9
February 5.2 5.8 10.8 6.0 3.8
March 6.1 7.3 18.8 7.6 4.0
April 5.9 6.7 12.0 7.3 10.3
May 6.1 6.9 13.4 7.3 6.5
June 6.7 7.4 10.9 7.9 7.0
July 7.5 8.2 9.3 8.7 6.0
August 7.3 7.7 6.0 8.2 5.8
September 5.7 6.2 9.7 6.4 2.8
October 5.9 6.2 4.5    
November 5.7 5.9 4.9    
December 6.3 6.7 5.8    
Yr. Total 73.9 81.3 10.1    
9 Mo. Tot 56.0 62.5 11.7 66.0 5.6

Source: Bureau of Transportation Statistics, T-100 International Market

Note: Percentage changes based on numbers prior to rounding.

Table 15. Top 10 U.S. Airlines, ranked by Jan.- September 2006 International Scheduled Enplanements

Passenger numbers in millions (000,000)

Excel | CSV

Jan-Sep 2006 Rank Carrier Jan-Sep 2006 Enplanements Jan-Sep 2005 Rank Jan-Sep 2005 Enplanements
1 American 16.4 1 16.0
2 United 9.2 2 8.8
3 Continental 8.5 4 7.6
4 Delta 7.7 5 6.5
5 Northwest 7.4 3 7.6
6 US Airways 3.7 6 3.9
7 Alaska Airlines 1.7 7 1.6
8 ExpressJet 1.5 8 1.4
9 Executive 1.4 9 1.3
10 Continental Micronesia 0.9 10 1.0

Source: Bureau of Transportation Statistics, T-100 International Market

Note: Percentage changes based on numbers prior to rounding

Table 16. Top 10 U.S. Airlines, ranked by September 2006 International Scheduled Enplanements

Passenger numbers in millions (000,000)

Excel | CSV

September 2006 Rank Carrier September 2006 Enplanements September 2005 Rank September 2005 Enplanements
1 American 1.6 1 1.6
2 United 1.0 2 0.9
3 Delta 0.8 5 0.7
4 Northwest 0.8 3 0.8
5 Continental 0.8 4 0.7
6 US Airways 0.3 6 0.4
7 Alaska 0.1 7 0.1
8 Executive 0.1 10 0.1
9 Continental Micronesia 0.1 9 0.1
10 America West 0.1 11 0.1

Source: Bureau of Transportation Statistics, T-100 International Market

Note: Percentage changes based on numbers prior to rounding

Table 17. Top 10 U.S. Airports, ranked by Jan.- September 2006 International Scheduled Enplanements

Passenger numbers in thousands (000)

Excel | CSV

Jan-Sep 2006 Rank Airport Jan-Sep 2006 Enplanements Jan-Sep 2005 Rank Jan-Sep 2005 Enplanements
1 Miami 3,359.5 1 3,187.5
2 Atlanta 2,710.7 5 2,170.7
3 New York JFK 2,701.6 2 2,696.4
4 Newark 2,603.0 4 2,275.0
5 Chicago O'Hare 2,524.0 3 2,375.7
6 Houston Bush 2,230.4 6 2,055.7
7 Dallas-Fort Worth 1,700.3 7 1,608.1
8 Los Angeles Intl 1,333.8 8 1,305.3
9 San Francisco 1,279.6 10 1,249.7
10 Detroit Metro 1,242.2 9 1,259.7

Source: Bureau of Transportation Statistics, T-100 International Market

Note: Percentage changes based on numbers prior to rounding

Table 18. Top 10 U.S. Airports, ranked by September 2006 International Scheduled Enplanements

Passenger numbers in thousands (000)

Excel | CSV

September 2006 Rank Airport September 2006 Enplanements September 2005 Rank September 2005 Enplanements
1 Miami 312.6 1 294.1
2 New York JFK 290.5 2 269.0
3 Chicago O'Hare 278.8 3 268.9
4 Atlanta 268.9 5 228.6
5 Newark 262.7 4 246.3
6 Dallas-Fort Worth 158.4 7 157.2
7 Houston Bush 148.7 6 162.6
8 San Francisco 138.5 9 131.4
9 Detroit Metro 129.5 8 142.7
10 Los Angeles Intl 129.4 10 126.4

Source: Bureau of Transportation Statistics, T-100 International Market

Note: Percentage changes based on numbers prior to rounding